flyback transformer document 1076 document 1076 revised 03/10/14 inductance inductance leakage part at 0 adc 1 at i pk 2 dcr max (ohms) 3 inductance 4 turns ratio i pk 2 number 10% (h) min (h) pri sec bias max (h) pri : sec pri : bias (a) output 5 MA5475-AL 180 162 0.210 0.016 0.185 3.1 1 : 0.24 1 : 0.20 2.0 15 v, 2 a 1. inductance is for the primary (pins 1 C 2 ), measured at 100 khz, 0.1 vrms. 2. peak primary current drawn at minimum input voltage. 3. dcr for the secondary is with the windings connected in parallel. 4. leakage inductance is for the primary winding with the secondary winding shorted. 5. output is for the secondary. bias winding output is 12 v, 20 ma. 6. electrical specifcations at 25c. refer to doc 362 soldering surface mount components before soldering. for maxim max17595 flyback controller core material ferrite terminations rohs tin-silver-copper (96.5/3.0/0.5) over tin over nickel over phos bronze. other terminations available at additional cost. weight 21.8 g ambient temperature C40c to +125c storage temperature component: C40c to +125c. tray packaging: C40c to +80c resistance to soldering heat max three 40 second refows at +260c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited foor life at <30c / 85% relative humidity) failures in time (fit) / mean time between failures (mtbf) 38 per billion hours / 26,315,789 hours, calculated per telcordia sr-332 packaging 24 parts per tray pcb washing tested with pure water or alcohol only. for other solvents, see doc787_pcb_washing.pdf. ? mounted on maxim max17595 evaluation kit ? bias winding output: 12 v, 20 ma ? universal and telecom (36 v C 72 v) input ? 3500 vrms, one minute primary and bias to secondary isolation dimensions are in inches mm 0.535 13,6 max max 0.00 4/ 0,10 mm 1.053 26,75 1.169 29,7 1.024 26,0 1.10 28,0 0.108 2,75 0.043 1,1 0.079 2,0 0.148 3,75 0.148 3,75 recommended land p attern 0.657 16,7 1.285 32,65 max 1 1 12 12 6 6 7 7 dot indicates pin 1 6 5 bias sec pr i 1 12 8 7 2 11 us uk t aiwan china singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-eur ope.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg ? coilcraft inc. 2014 this pr oduct may not be used in medical or high risk applications without prior coilcraft appr oval. specification subject to change without notice. please check web site for latest infor mation.
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